The answer is C genetic variation
<h2><em>yes .....I think so</em></h2><h2 /><h2>random = adcdefghijklmnopqrstuvwxyz</h2>
A condition associated with smog that causes eye irritation, irritation of the respiratory tract, and chest pains.
Hope this helps!
-Payshence xoxo
The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
All living creatures are classified into systems and sub-systems based on their similar characteristics. They are divided from bigger groups into smaller groups based on the detail of their similarities i.e. how they look, move, reproduce and how they relate to each other. A practical way of understanding the classification of living organisms is that organisms are linked to other similar organisms via family trees. The classification of all living creatures includes at least four levels: order, families, genus and species.
